Home / 558,927.54-771,188.85-317,155.50

Finding the Fourth Proportional to 558,927.54, 771,188.85 and 317,155.50

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Solution

The fourth proportional to 558,927.54, 771,188.85 and 317,155.50 is: 437,600.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,927.54 : 771,188.85 = 317,155.50 : x
  2. Step 2: Convert to fraction form
    558,927.54/771,188.85 = 317,155.50/x
  3. Step 3: Cross multiply
    558,927.54x = 771,188.85 × 317,155.50
  4. Step 4: Simplify right side
    558,927.54x = 244,586,785,316.18
  5. Step 5: Solve for x
    x = 244,586,785,316.18/558,927.54
  6. Step 6: Final answer
    x = 437,600.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.